期刊
ORGANIC GEOCHEMISTRY
卷 146, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.orggeochem.2020.104056
关键词
Carbon Preference index; CPI; Lipid biomarkers; Sediment; Archaeology; Alkanes; Environmental reconstruction
资金
- Spanish I + D Projects (MICINN) [HAR2008-06117/HIST]
- Cultural Heritage Department of the Valencia Government
- European Research Council (ERC) [PALEOCHAR 648871]
- Archaeological Museum Camil Visedo of Alcoy
- Spanish I + D Projects (MINECO-FEDER/UE) [HAR2015-68321-P]
The Carbon Preference Index (CPI) is a molecular ratio often used to assign the biological source and maturity of organic matter. This parameter is frequently employed in paleoenvironmental studies and archaeological applications. In this paper, we have evaluated the different results for this index using peak areas or concentrations from calibration curves. For this purpose, plant reference samples (Celtis Australis L.) and sediments from two archaeological sites were analysed. The results show that the values obtained depend on the method employed and, thus, interpretations may differ significantly. Consequently, the method used must be clearly stated in each particular application and results can only be compared when using the same protocol. (C) 2020 The Author(s). Published by Elsevier Ltd.
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